gt;>
>>>> The plan is to upgrade from 2.1.12 to 3.7 and to maintain a
>>>> heterogeneous cluster only for a short time, while we observe how 3.7
>>>> reacts to our client applications with traffic, then proceed with upgrading
>>>> all DCs to 3.7.
>>>&
h traffic, then proceed with upgrading
>>> all DCs to 3.7.
>>>
>>>
>>>
>>> In our current installation we are using *memtable_allocation_type:
>>> offheap_objects*. Support for offheap_objects was removed in the 3.0.x
>>> branch and only
Support for offheap_objects was removed in the 3.0.x
>> branch and only added back in 3.4+, so an upgrade to 3.0.9 will not be
>> possible for me unless I change this parameter.
>>
>> Still looking to hear from others about upgrade experiences, problems etc.
>>
>&g
c: "Khaja, Raziuddin (NIH/NLM/NCBI) [C]"
Subject: Re: Upgrading from Cassandra 2.1.12 to 3.0.9
Hello Razi,
Since you were using a highly stable version of 2.1.x, you may want to stick
with using 3.0.9. 3.7 has introduced many great features, but has not been as
heavily tested in
thers about upgrade experiences, problems etc.
>
> -Razi
>
>
>
> *From: *Joaquin Casares
> *Reply-To: *"user@cassandra.apache.org"
> *Date: *Friday, September 23, 2016 at 11:41 AM
> *To: *"user@cassandra.apache.org"
> *Cc: *"Khaja, Raziuddin (NIH
Hello Razi,
Since you were using a highly stable version of 2.1.x, you may want to
stick with using 3.0.9. 3.7 has introduced many great features, but has not
been as heavily tested in production as 3.0.9.
Running heterogenous clusters, even when using the same major version (e.g.
3.0.8 and 3.0.9
Hello all,
I would like to upgrade my Cassandra cluster from 2.1.12 to 3.7.
I have read the following documentation:
·
http://docs.datastax.com/en/latest-upgrade/upgrade/cassandra/upgrdCassandra.html
· https://github.com/apache/cassandra/blob/cassandra-3.7/NEWS.txt
but still h